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The video above shows you how to replace the battery in your 2003 Jeep Grand Cherokee. We recommend changing the battery in Jeeps every 4 years. Although some batteries last much longer, most batteries begin breaking down chemically after four years, so you could experience dimmer headlights and other negative effects before you have a dead battery in your Grand Cherokee that you need to replace.
Replacing the battery in your Grand Cherokee involves removing the terminals. When you reconnect the terminals, your radio presets are likely to be cleared out. In some Grand Cherokees, you may need to re-enter a security code to get your radio to work again. Check for this code in your owners manual - it will usually be either a sticker or small card in the booklet. If you can't find it, call Jeep and they will give you the code for free. In many Jeeps, the transmission "learns" how you drive over time and makes adjustments, so you may experience altered driving dynamics as your car re-learns your driving style after changing the battery.
Transmissions that leak fluid usually have never been flushed and the seal is finally leaking. The right stop leak product can cure a lot2003 Jeep Grand Cherokee Laredo 4.0L 6 Cyl.
If your blinker doesn't blink, or blinks rapidly, you likely have a burnt out bulb2003 Jeep Grand Cherokee Laredo 4.0L 6 Cyl.
If your brake fluid is a little low, learn how to add some here. Ignoring a low level leads to big problems2003 Jeep Grand Cherokee Laredo 4.0L 6 Cyl.
Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it2003 Jeep Grand Cherokee Laredo 4.0L 6 Cyl.
Don't send mixed signals - if your turn signal doesn't blink, or blinks rapidly, you likely have a burnt out bulb2003 Jeep Grand Cherokee Laredo 4.0L 6 Cyl.
On many cars, the high beam bulb runs at reduced power during the day - check 'em and change 'em!2003 Jeep Grand Cherokee Laredo 4.0L 6 Cyl.